CVE-2020-2754: Medium severity ibm engineering requirements quality assistant vulnerability
A flaw was found in the Nashorn JavaScript engine in the Scripting component of OpenJDK. Processing of the forward references prior to checking for regular expression syntax errors could cause an unexpected exception to be raised when processing a specially crafted regular expression.
Other sources
An unspecified vulnerability in Java SE related to the Java SE Scripting component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
— IBM
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Scripting). Supported versions that are affected are Java SE: 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2020-2754?
CVE-2020-2754 is classified as a medium severity vulnerability.
How do I fix CVE-2020-2754?
To fix CVE-2020-2754, update to the recommended versions of OpenJDK provided in the advisory.
What is the impact of CVE-2020-2754?
CVE-2020-2754 can lead to unexpected exceptions during the processing of specially crafted regular expressions.
Which versions are affected by CVE-2020-2754?
CVE-2020-2754 affects multiple versions of OpenJDK before the fixed releases.
Is CVE-2020-2754 present in Oracle JDK?
Yes, CVE-2020-2754 is also applicable to certain versions of Oracle JDK and JRE.